MD Settings: Add route for the Import Data dialog at /importData.

chrome/browser/resources/settings/route.js

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 cr.define('settings', function() {
   /**
    * Class for navigable routes. May only be instantiated within this file.
    * @constructor
    * @param {string} path
    * @private
@@ skipping 75 matching lines @@
   // Abbreviated variable for easier definitions.
   var r = Route;
 
   // Root pages.
   r.BASIC = new Route('/');
   r.ADVANCED = new Route('/advanced');
   r.ABOUT = new Route('/help');
 
   // Navigable dialogs. These are the only non-section children of root pages.
   // These are disfavored. If we add anymore, we should add explicit support.
+  r.IMPORT_DATA = r.BASIC.createChild('/importData');
   r.SIGN_OUT = r.BASIC.createChild('/signOut');
   r.CLEAR_BROWSER_DATA = r.ADVANCED.createChild('/clearBrowserData');
   r.RESET_DIALOG = r.ADVANCED.createChild('/resetProfileSettings');
   r.TRIGGERED_RESET_DIALOG =
       r.ADVANCED.createChild('/triggeredResetProfileSettings');
 
 <if expr="chromeos">
   r.INTERNET = r.BASIC.createSection('/internet', 'internet');
   r.NETWORK_DETAIL = r.INTERNET.createChild('/networkDetail');
   r.KNOWN_NETWORKS = r.INTERNET.createChild('/knownNetworks');
@@ skipping 264 matching lines @@
     RouteObserverBehavior: RouteObserverBehavior,
     getRouteForPath: getRouteForPath,
     initializeRouteFromUrl: initializeRouteFromUrl,
     getCurrentRoute: getCurrentRoute,
     getQueryParameters: getQueryParameters,
     lastRouteChangeWasPopstate: lastRouteChangeWasPopstate,
     navigateTo: navigateTo,
     navigateToPreviousRoute: navigateToPreviousRoute,
   };
 });